Supermicro co-founder pleads not guilty to $2.5 billion China chip smuggling charges

Supermicro Co-Founder Faces High-Profile Smuggling Charges

Yih-Shyan Wally Liaw, the Supermicro co-founder, pleaded not guilty on Wednesday in Manhattan federal court to charges that he helped orchestrate a massive China chip smuggling operation involving billions of dollars in Nvidia AI-powered servers 1

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. The case represents the most significant prosecution yet in the U.S. government's crackdown on alleged violations of US export restrictions targeting restricted AI technology destined for China. Co-defendant Ting-Wei "Willy" Sun, described by prosecutors as a "fixer" in the scheme, also entered a not guilty plea before U.S. District Judge Edgardo Ramos 1

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. Liaw was released on a $5 million bond, while Sun's attorney indicated ongoing negotiations with prosecutors for a bail package 3

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. The third defendant, Ruei-Tsang "Steven" Chang, a former general manager in Supermicro's Taiwan office, remains outside U.S. custody 1

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Elaborate Scheme Involving Serial Number Swaps and Fake Documentation

Federal prosecutors from the U.S. Justice Department allege that Liaw, Chang, and Sun conspired to sell U.S.-assembled AI servers containing Nvidia's export-controlled chips to Chinese customers through an unidentified Southeast Asian pass-through company 1

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. The indictment details an elaborate operation where workers used heat guns to swap serial number stickers from genuine servers onto non-functioning dummy units at a Southeast Asian warehouse, with CCTV footage capturing the activity 1

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. Products were allegedly repackaged into unmarked boxes before being smuggled into China with fabricated paperwork 4

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. Prosecutors estimate the operation generated approximately $2.5 billion in sales since 2024, with shipments between April and May 2025 alone valued at over $500 million 1

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. Reuters reporting revealed that four Chinese universities, including two linked to the People's Liberation Army, purchased Supermicro servers with restricted AI chips over the past year 4

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Market Fallout and Company Response

The charges, unsealed on March 19, immediately devastated Supermicro's market value, erasing more than $6 billion from the company's market cap as shares plummeted roughly 33% in a single session 1

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. Liaw resigned from Supermicro's board of directors following the indictment 1

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. While Supermicro itself isn't named as a defendant, the company acknowledged the three accused individuals are "associated" with it and stated the alleged conduct violated its internal compliance program covering export controls 1

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. The San Jose-based company placed Liaw and Chang on leave and terminated Sun after becoming aware of the charges 4

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. Nvidia distanced itself from the scheme, emphasizing that strict compliance is a priority and that it does not provide service or support for illegally diverting servers 1

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Independent Investigation and Regulatory Scrutiny

Supermicro launched an independent investigation led by two members of its board of directors—Lead Independent Director Scott Angel and Audit Committee Chair Tally Liu 2

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. Angel brings nearly four decades of experience from Deloitte's audit and assurance practice, while Liu accumulated 25 years as a certified public accountant 2

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. The pair retained outside firms including law firm Munger, Tolles & Olson, consultancy AlixPartners, and Supermicro's auditor BDO USA to assist 2

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. A separate internal review of Supermicro's Global Trade Compliance Program is underway since the alleged illicit activity went undetected 2

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. No timetable has been set for completing the investigation 2

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Broader Implications for Export Controls and AI Technology

U.S. Senators Jim Banks and Elizabeth Warren wrote to Commerce Secretary Howard Lutnick urging a pause on all active export licenses for advanced Nvidia chips headed to China and Southeast Asian intermediaries 1

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. Shareholders have filed a securities fraud lawsuit against Supermicro, alleging the company concealed its dependence on revenue from illicit sales 1

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. Meanwhile, a bipartisan group of lawmakers introduced the MATCH Act, aiming to strengthen national security by closing gaps in export controls on semiconductor manufacturing equipment, including bans on sales of Deep Ultraviolet immersion lithography systems and cryogenic etch tools to countries of concern 2

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. Judge Ramos set a November 2 trial date for the case 1

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. The outcome could shape how companies manage export compliance and influence future regulatory frameworks governing AI chip distribution to geopolitically sensitive regions.